Home / 76,331.57-114,475.47-25,725.09

Finding the Fourth Proportional to 76,331.57, 114,475.47 and 25,725.09

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Solution

The fourth proportional to 76,331.57, 114,475.47 and 25,725.09 is: 38,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,331.57 : 114,475.47 = 25,725.09 : x
  2. Step 2: Convert to fraction form
    76,331.57/114,475.47 = 25,725.09/x
  3. Step 3: Cross multiply
    76,331.57x = 114,475.47 × 25,725.09
  4. Step 4: Simplify right side
    76,331.57x = 2,944,891,768.54
  5. Step 5: Solve for x
    x = 2,944,891,768.54/76,331.57
  6. Step 6: Final answer
    x = 38,580.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.